Which layover airport offers the lowest fares from Chicago O'Hare Intl Airport to Bucharest?

Flights via Istanbul (IST) offer the lowest average round-trip price of $598.

What airlines fly to Bucharest?

Lufthansa, Turkish Airlines and HiSky are the top three most popular airlines that fly to Bucharest from Chicago O'Hare Intl Airport according to our data. Lufthansa is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Bucharest. Keep in mind that there are 12 different airlines that fly to Bucharest on a routine basis, so you have a few additional options to choose from.

Which airport is the most popular layover for flights between Chicago O'Hare Intl Airport and Bucharest?

Istanbul (IST) was the most common stop: 31% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest travel time from Chicago O'Hare Intl Airport to Bucharest?

Flights connecting via Amsterdam (AMS) have the shortest average one-way travel time: 12h 25m.

Which layover airport has the shortest connection time from Chicago O'Hare Intl Airport to Bucharest?

Warsaw (WAW) has the shortest average layover time for this route: 1h 28m.

How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Bucharest?

As of August 2026, there are 12 operators available to choose from for flights from Chicago O'Hare Intl Airport to Bucharest.

How old do you have to be to fly from Chicago O'Hare Intl Airport to Bucharest?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago O'Hare Intl Airport to Bucharest.

What documentation or ID do you need to fly to Bucharest?

The required travel and health documents for your Bucharest trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Bucharest. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$275 Cheap Flights from Chicago O'Hare Intl Airport to Bucharest in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago O'Hare Intl Airport to Bucharest

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:10 pm - 11:15 am-

31h 05m

9:35 pm - 9:40 am-

20h 05m

$784Turkish Airlines

Thu, Sep 17 - Thu, Oct 15

8:10 pm - 8:10 am-

28h 00m

9:35 pm - 9:40 am-

20h 05m

$784Turkish Airlines

Thu, Sep 17 - Fri, Oct 9

8:50 pm - 3:50 pm-

35h 00m

8:05 pm - 1:10 pm-

25h 05m

$784Multiple Airlines

Sat, Dec 5 - Sat, Dec 19

4:40 pm - 3:05 am-

26h 25m

3:50 pm - 4:50 pm-

33h 00m

$785Air Serbia

Wed, Oct 7 - Fri, Jan 1

11:20 pm - 3:05 am-

19h 45m

4:30 am - 4:50 pm-

20h 20m

$785Air Serbia

Sat, Oct 10 - Fri, Jan 1

7:25 pm - 6:55 pm-

15h 30m

3:50 pm - 9:20 pm-

13h 30m

$785Multiple Airlines

Sun, Oct 4 - Wed, Dec 30

5:10 pm - 1:50 pm-

12h 40m

8:20 am - 7:50 pm-

19h 30m

$789LOT

Thu, Sep 3 - Thu, Sep 17

9:50 pm - 1:50 am-

20h 00m

6:30 pm - 3:10 pm-

28h 40m

$789LOT

Thu, Sep 10 - Mon, Sep 14

9:50 pm - 1:00 am-

19h 10m

6:00 am - 1:10 pm-

15h 10m

$805Lufthansa

Sat, Jan 2 - Sat, Jan 16

10:35 pm - 11:55 pm-

17h 20m

6:00 am - 1:10 pm-

15h 10m

$828Lufthansa

Wed, Dec 9 - Sun, Dec 27

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Turkish Airlines flights from Chicago O'Hare Intl Airport to Bucharest

Our best Turkish Airlines deals on Chicago O'Hare Intl Airport to Bucharest flight tickets

Turkish Airlines

Sep 17

ORD8:10 pmChicago O'Hare Intl

31h 05m

1 stop

OTP11:15 amBucharest Otopeni Intl

Oct 15

OTP9:35 pmBucharest Otopeni Intl

20h 05m

1 stop

ORD9:40 amChicago O'Hare Intl

$784

Turkish Airlines

Oct 9

ORD11:25 amChicago O'Hare Intl

15h 50m

1 stop

OTP11:15 amBucharest Otopeni Intl

Oct 13

OTP9:35 pmBucharest Otopeni Intl

20h 05m

1 stop

ORD9:40 amChicago O'Hare Intl

$789

Turkish Airlines

Sep 19

ORD8:10 pmChicago O'Hare Intl

28h 00m

1 stop

OTP8:10 amBucharest Otopeni Intl

Oct 11

OTP3:55 pmBucharest Otopeni Intl

25h 45m

1 stop

ORD9:40 amChicago O'Hare Intl

$799

Air Serbia flights from Chicago O'Hare Intl Airport to Bucharest

Our best Air Serbia deals on Chicago O'Hare Intl Airport to Bucharest flight tickets

Air Serbia

Aug 17

ORD4:40 pmChicago O'Hare Intl

14h 40m

1 stop

OTP3:20 pmBucharest Otopeni Intl

Sep 7

OTP4:30 amBucharest Otopeni Intl

18h 00m

1 stop

ORD2:30 pmChicago O'Hare Intl

$785

Air Serbia

Sep 7

ORD4:40 pmChicago O'Hare Intl

14h 40m

1 stop

OTP3:20 pmBucharest Otopeni Intl

Sep 19

OTP4:30 amBucharest Otopeni Intl

24h 45m

1 stop

ORD9:15 pmChicago O'Hare Intl

$794

Air Serbia

Aug 22

ORD11:20 pmChicago O'Hare Intl

32h 15m

1 stop

OTP3:35 pmBucharest Otopeni Intl

Sep 7

OTP4:30 amBucharest Otopeni Intl

18h 00m

1 stop

ORD2:30 pmChicago O'Hare Intl

$813

momondo Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Bucharest that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Thu 9/17

8:10 pm-11:15 am

1 stop31h 05m

Bucharest Otopeni Intl

Thu 10/15

9:35 pm-9:40 am

1 stop20h 05m

$784

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Thu 9/17

8:10 pm-8:10 am

1 stop28h 00m

Bucharest Otopeni Intl

Fri 10/9

9:35 pm-9:40 am

1 stop20h 05m

$784

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 12/5

8:50 pm-3:50 pm

2 stops35h 00m

Bucharest Otopeni Intl

Sat 12/19

8:05 pm-1:10 pm

1 stop25h 05m

$784

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 10/7

4:40 pm-3:05 am

1 stop26h 25m

Bucharest Otopeni Intl

Fri 1/1

3:50 pm-4:50 pm

1 stop33h 00m

$785

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 10/10

11:20 pm-3:05 am

1 stop19h 45m

Bucharest Otopeni Intl

Fri 1/1

4:30 am-4:50 pm

1 stop20h 20m

$785

Quickest round-trip

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 10/4

7:25 pm-6:55 pm

2 stops15h 30m

Bucharest Otopeni Intl

Wed 12/30

3:50 pm-9:20 pm

1 stop13h 30m

$785

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Thu 9/3

5:10 pm-1:50 pm

1 stop12h 40m

Bucharest Otopeni Intl

Thu 9/17

8:20 am-7:50 pm

1 stop19h 30m

$789

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Thu 9/10

9:50 pm-1:50 am

1 stop20h 00m

Bucharest Otopeni Intl

Mon 9/14

6:30 pm-3:10 pm

1 stop28h 40m

$789

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 1/2

9:50 pm-1:00 am

1 stop19h 10m

Bucharest Otopeni Intl

Sat 1/16

6:00 am-1:10 pm

1 stop15h 10m

$805

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 12/9

10:35 pm-11:55 pm

1 stop17h 20m

Bucharest Otopeni Intl

Sun 12/27

6:00 am-1:10 pm

1 stop15h 10m

$828

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Bucharest

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the typical price of a round-trip flight between Chicago O'Hare Intl Airport and Bucharest?

Prices are currently typical for flights on this route.

Typical prices usually range from $582 to $1,065.
The lowest price recently found on this route was $784.

What is the cheapest month to fly to Bucharest?

In general, November is the cheapest month to fly from Chicago O'Hare Intl Airport to Bucharest. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $537. If you aren’t able to travel to Bucharest during the month of November, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $573.

What is the cheapest day to depart on your flight to Bucharest?

Our data shows that Tuesday is the least expensive day to fly to Bucharest. Tickets to fly out on this day can be as low as $853. The most expensive day to fly to Bucharest is Friday, with ticket prices averaging around $893.

What is the cheapest Chicago O'Hare Intl to Bucharest flight route?

Fly from Chicago O'Hare Intl to Bucharest Otopeni Intl for the best Chicago O'Hare Intl - Bucharest flight prices

How far in advance should I book a flight from Chicago O'Hare Intl Airport to Bucharest?

You are more likely to see cheaper flights to Bucharest from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Bucharest for around $746 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bucharest from Chicago O'Hare Intl Airport for as low as $365 on momondo.

What cabin class options are available on Chicago O'Hare Intl Airport to Bucharest flights?

There are 3 cabin classes available to choose from on Chicago O'Hare Intl Airport to Bucharest flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Chicago O'Hare Intl Airport to Bucharest flights?

You could potentially save up to 17% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Bucharest flight.

When to book flights from Chicago O'Hare Intl Airport to Bucharest

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Bucharest according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Bucharest (ORD to BUH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Bucharest

Best Price Found	$478
Fastest flight time	12h 05m
Direct flights	None

The best one-way flight to Bucharest from Chicago O'Hare Intl Airport in the past 72 hours is $478. The best round-trip flight deal from Chicago O'Hare Intl Airport to Bucharest found on momondo in the last 72 hours is $932.

The fastest flight from Chicago O'Hare Intl Airport to Bucharest takes 12h 05m

There are no direct flights from Chicago O'Hare Intl Airport to Bucharest. There are no popular flight routes from Chicago O'Hare Intl Airport to Bucharest.

Search flight deals

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Bucharest

How far is Chicago O'Hare Intl to Bucharest by plane?
A flight from Chicago O'Hare Intl to Bucharest will travel around 5205.0 mi. Flights usually cover this in 12h 05m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Bucharest?
Prices for flights from Chicago O'Hare Intl Airport to Bucharest are updated daily.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Bucharest?
As of August 2026, there are 12 operators available to choose from for flights from Chicago O'Hare Intl Airport to Bucharest.
How old do you have to be to fly from Chicago O'Hare Intl Airport to Bucharest?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago O'Hare Intl Airport to Bucharest.
What documentation or ID do you need to fly to Bucharest?
The required travel and health documents for your Bucharest trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Bucharest. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Chicago O'Hare Intl Airport to Bucharest?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Chicago O'Hare Intl Airport to Bucharest is Airbus A330 (71.70% of total bookings). The next most popular plane model is Airbus A330-200 (28.30%).
What is the most popular airline from Chicago O'Hare Intl Airport to Bucharest?
Based on momondo bookings for flights between Chicago O'Hare Intl Airport and Bucharest, the leading airline is Lufthansa, making up 26% of the total bookings. Other popular airlines include HiSky with 25%, Turkish Airlines with 15%, and LOT with 9%.

Best airlines flying from Chicago O'Hare Intl Airport to Bucharest

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Bucharest with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $300	Free Cancellation	Rating 7.4 10,060 reviews	Search United Airlines flights
British Airways	PriceFrom $418	Free Cancellation	Rating 6.7 8,149 reviews	Search British Airways flights
Turkish Airlines	PriceFrom $504	Free Cancellation	Rating 7.4 4,465 reviews	Search Turkish Airlines flights
Air France	PriceFrom $510	Free Cancellation	Rating 7.5 1,634 reviews	Search Air France flights
KLM	PriceFrom $541	Free Cancellation	Rating 7.8 1,553 reviews	Search KLM flights
Lufthansa	PriceFrom $553	Free Cancellation	Rating 6.8 8,175 reviews	Search Lufthansa flights
Air Serbia	PriceFrom $566	Free Cancellation	Rating 6.2 233 reviews	Search Air Serbia flights
SWISS	PriceFrom $569	Free Cancellation	Rating 7.5 2,025 reviews	Search SWISS flights
Delta	PriceFrom $575	Free Cancellation	Rating 7.8 8,487 reviews	Search Delta flights
LOT	PriceFrom $586	Free Cancellation	Rating 7.6 1,212 reviews	Search LOT flights

Otopeni

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Bucharest?

It is quick and easy to find Chicago to Bucharest flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Bucharest that suits you.

Can I find flights from Chicago to Bucharest with flexible booking policies on momondo?

Flights from Chicago to Bucharest with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Chicago to Bucharest?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Bucharest from Chicago.

I’m not ready to book a flight from Chicago to Bucharest right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Chicago to Bucharest flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Bucharest trip

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Cheap flights from Chicago O'Hare Intl Airport to Bucharest from $275

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Turkish Airlines flights from Chicago O'Hare Intl Airport to Bucharest

Our best Turkish Airlines deals on Chicago O'Hare Intl Airport to Bucharest flight tickets

Air Serbia flights from Chicago O'Hare Intl Airport to Bucharest

Our best Air Serbia deals on Chicago O'Hare Intl Airport to Bucharest flight tickets

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Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Bucharest that are best for you.

See travel insights to Bucharest from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Bucharest

What is the typical price of a round-trip flight between Chicago O'Hare Intl Airport and Bucharest?

What is the cheapest month to fly to Bucharest?

What is the cheapest day to depart on your flight to Bucharest?

What is the cheapest Chicago O'Hare Intl to Bucharest flight route?

How far in advance should I book a flight from Chicago O'Hare Intl Airport to Bucharest?

What cabin class options are available on Chicago O'Hare Intl Airport to Bucharest flights?

Can stopping save me money on Chicago O'Hare Intl Airport to Bucharest flights?

What airlines fly to Bucharest?

Which airport is the most popular layover for flights between Chicago O'Hare Intl Airport and Bucharest?

Which layover airport offers the lowest fares from Chicago O'Hare Intl Airport to Bucharest?

Which layover airport has the shortest travel time from Chicago O'Hare Intl Airport to Bucharest?

Which layover airport has the shortest connection time from Chicago O'Hare Intl Airport to Bucharest?

When to book flights from Chicago O'Hare Intl Airport to Bucharest

Cheap Chicago O'Hare Intl Airport to Bucharest (ORD to BUH) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Bucharest

Best airlines flying from Chicago O'Hare Intl Airport to Bucharest

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Bucharest with momondo

Traveling to a place near Bucharest?

Why use momondo?

An easier way to manage your Bucharest trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Romania

Fly into one of these airports located in Bucharest

Airports listed have a maximum distance of 9.6 mi from Bucharest

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List of cabin classes available on flights landing in Bucharest. Availability may vary depending on flight origin and airline.

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